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The 1974 Suzuki GT250 and 1979 Suzuki GS550 represent two chapters in Suzuki's storied history.
The 1974 Suzuki GT250 from Japan was powered by a 247cc 2-stroke twin producing 29hp at 8000rpm. Weighing 145.0kg (320 lbs) and with a seat height of 780mm, it was aimed at standard riders.
The 1979 Suzuki GS550 by contrast offered 549cc of DOHC inline-4 power, delivering 50hp at 8500rpm. Tipping the scales at 202.0kg (445 lbs) with a top speed of 175km/h (109 mph), it offered a distinct riding experience. 1970s bikes from the Japanese superbike revolution are increasingly sought after. Clean, original examples have seen significant value appreciation.
The 1974 Suzuki GT250 from Japan was powered by a 247cc 2-stroke twin producing 29hp at 8000rpm. Weighing 145.0kg (320 lbs) and with a seat height of 780mm, it was aimed at standard riders.
The 1979 Suzuki GS550 by contrast offered 549cc of DOHC inline-4 power, delivering 50hp at 8500rpm. Tipping the scales at 202.0kg (445 lbs) with a top speed of 175km/h (109 mph), it offered a distinct riding experience. 1970s bikes from the Japanese superbike revolution are increasingly sought after. Clean, original examples have seen significant value appreciation.
Specifications Comparison
| 1974 Suzuki GT250 | 1979 Suzuki GS550 | |
|---|---|---|
| Displacement | 247 cc | 549 cc |
| Power | 29 hp | 50 hp |
| Torque | 22.0 Nm | 44.0 Nm |
| Cylinders | 2 | 4 |
| Top Speed | 143 km/h | 175 km/h |
| Quarter Mile | — | — |
| Dry Weight | 145.0 kg | 202.0 kg |
| Wet Weight | 158.0 kg | 218.0 kg |
| Seat Height | 780 mm | 800 mm |
| Wheelbase | 1310 mm | 1410 mm |
| Fuel Capacity | 13.0 L | 15.0 L |
| Gears | 6 -speed | 6 -speed |
The Verdict
Comparing these two Suzuki machines reveals the brand's evolution. The 1974 Suzuki GT250 laid the groundwork with 29hp, while the later 1979 Suzuki GS550 pushed output to 50hp. From a collector's perspective, the 1979 Suzuki GS550 holds the edge with a 4/10 rating. Either way, both are worthy additions to any Suzuki collection. Parts availability is moderate for the 1974 Suzuki GT250 and good for the 1979 Suzuki GS550 — an important factor for any restoration project.
About the 1974 Suzuki GT250
A standard motorcycle from 1974, the 1974 Suzuki GT250 delivers 29hp from its 247cc 2-stroke twin engine.
Full 1974 Suzuki GT250 Profile →About the 1979 Suzuki GS550
Introduced in 1979, the 1979 Suzuki GS550 features a 549cc DOHC inline-4 engine producing 50hp, establishing itself as a notable standard motorcycle.
Full 1979 Suzuki GS550 Profile →